16 Facts About Semiconductor memory

Semiconductor memory is a digital electronic semiconductor device used for digital data storage, such as computer memory.

Non-volatile Semiconductor memory uses floating-gate Semiconductor memory cells, which consist of a single floating-gate MOS transistor per cell.

Semiconductor memory has much faster access times than other types of data storage; a byte of data can be written to or read from semiconductor memory within a few nanoseconds, while access time for rotating storage such as hard disks is in the range of milliseconds.

Shift registers, processor registers, data buffers and other small digital registers that have no Semiconductor memory address decoding mechanism are typically not referred to as Semiconductor memory although they store digital data.

The Semiconductor memory cells are laid out in rectangular arrays on the surface of the chip.

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The 1-bit Semiconductor memory cells are grouped in small units called words which are accessed together as a single Semiconductor memory address.

Data is accessed by means of a binary number called a Semiconductor memory address applied to the chip's address pins, which specifies which word in the chip is to be accessed.

Volatile Semiconductor memory loses its stored data when the power to the Semiconductor memory chip is turned off.

Early computer memory consisted of magnetic-core memory, as early solid-state electronic semiconductors, including transistors such as the bipolar junction transistor, were impractical for use as digital storage elements.

Bipolar semiconductor memory made from discrete devices was first shipped by Texas Instruments to the United States Air Force in 1961.

Bipolar Semiconductor memory failed to replace magnetic-core Semiconductor memory because bipolar flip-flop circuits were too large and expensive.

Term "Semiconductor memory" when used with reference to computers most often refers to volatile random-access Semiconductor memory.

SRAM became an alternative to magnetic-core Semiconductor memory, but required six MOS transistors for each bit of data.

Synchronous dynamic random-access Semiconductor memory later debuted with the Samsung KM48SL2000 chip in 1992.

Programmable read-only Semiconductor memory was invented by Wen Tsing Chow in 1956, while working for the Arma Division of the American Bosch Arma Corporation.

Flash Semiconductor memory was invented by Fujio Masuoka at Toshiba in the early 1980s.